If a person falls into a black hole, is it dead or alive? This is a problem often seen on the Internet. On the one hand, the state of the black hole described by science is extreme, and it is impossible for living creatures to survive; on the other hand, some science fiction movies, such as "Interstellar" where people fall into the black hole, can not only survive, but also do many strange things. Which
is true and which is false? The view of time-space communication is:
does not die if it falls into a black hole, but is broken into dust before it falls into a black hole, and whether it is a ghost or a human, it becomes a basic particle.
"Interstellar Crossing" is a science fiction story, not scientific research, and it should not be taken seriously. The
black hole is an extreme celestial body. The Schwarzschild radius of the black hole is an empty sky area. All matter entering the black hole is just a passer-by, and it will undisputedly fall to the infinitely small singularity in the center. No matter how large a substance is, it will be wiped out.
We must understand what is infinitely small, that is, any volume that can be described is not infinitely small. The diameter of an electron is 10^-15m, which is not infinitely small. It is 100 million times smaller than an electron and still has a volume. It is not infinite. Small and infinitely small actually do not exist in our world, but exist in time and space, such as zero-dimensional time and space.
is the only way to explain how a huge mass can collapse into an infinitely small singularity. If there is a measurable volume, it is something in our world, and it cannot explain what it is.
We only know that the mass, angular momentum, and charge that fall to the singularity still exist, which can be detected outside the event horizon (outside the Schwarzschild radius).
Therefore, the matter that has fallen to the singularity is not really gone, but in another world that we cannot understand. The matter at this time is no longer even elementary particles, and the scientific community cannot explain what it is.
Einstein's general theory of relativity predicts that the singularity will occur, an inevitable result under the extreme conditions of the gravitational field, when it is impossible to describe what happens at the singularity because the theory fails here.
We can only think that the singularity is not something of our world, we are a three-dimensional world of four-dimensional space-time, and the singularity is likely to be a zero-dimensional space-time thing, it is hyperspace, so our world cannot be peeped, nor explained. At this singularity,
is a perfect combination of space and time, forming an infinite curvature. The infinite range of influence of the curvature of
is the Schwarzschild radius of mass.
The Schwarzschild radius is the smallest radius that any object mass exists. Only under extreme conditions, the infinite collapse of the material will shrink to within the Schwarzschild radius of its own mass. At this critical point, the potential for the material to collapse Unstoppable, falling endlessly to the infinitely small singularity in the center.
Schwarzschild's radius is an accurate solution of Einstein's theory of gravitational field. It was just published by the general theory of relativity, and it was obtained by scientist Karl Schwarzschild in 1916. The Schwarzschild radius calculation formula of
material mass is R=2GM/c^2.
where R is the Schwarzschild radius, G is the gravitational constant (G=6.67×10^-11N·m^2/kg^2), M is the mass of the celestial body, and c is the speed of light.
According to calculations, the Schwarzschild radius of the sun's mass is about 3000 meters, and that of the earth is about 9 mm. According to the observed Schwarzschild radius of the black hole, the mass of the black hole can be deduced. The critical point of
Schwarzschild's radius is the event horizon, which is the critical point between visible and invisible.
The Schwarzschild radius is not that the matter shrinks so small, but the infinite gravitational field formed around the matter after the matter shrinks into a singularity. This range is a sphere, in which everything is invisible, and the gravitational curvature is infinite. Nothing can escape, and light is no exception.
Therefore, we can understand that within the Schwarzschild radius of the black hole, the escape velocity is greater than the speed of light. What about
at the edge of the black hole horizon? Any matter will be torn to pieces by strong gravity and broken into elementary particles.
In order to avoid the engulfing of black holes, these materials can only escape at a faster speed, reaching half the speed of light or even close to the speed of light. The matter will excite powerful rays and visible light when moving and colliding at extremely high speeds, and it will be around the black hole due to centrifugation. Form a hot accretion disk, the temperature of this accretion disk can be as high as 1 billion K.
Humans study and understand black holes by observing these aspects.
